Issued 03:00 AM AST 21 November 2017
Today Tonight and Wednesday.
Gale warning in effect.
Wind westerly 20 knots diminishing to west 15 this morning then increasing to southwest 25 this afternoon. Wind increasing to southwest 35 this evening then diminishing to southwest 25 overnight. Wind backing to south 15 to 20 Wednesday morning then increasing to southwest 30 Wednesday afternoon. Wind veering to northwest 25 Wednesday evening.
A few flurries ending early this morning. Rain at times heavy and fog patches beginning Wednesday morning and changing to light rain Wednesday afternoon and ending Wednesday evening.
Temperatures minus 2 rising to plus 12 after midnight.
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Ice ForecastsIssued 10:00 AM EDT 20 June 2017 Forecasts have ended for the season.
Warnings (In effect)
Grand MananIssued 03:00 AM AST 21 November 2017
'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Technical Marine SynopsisIssued 3:00 AM AST 21 November 2017 Today Tonight and Wednesday At 3:00 a.m. AST today departing low 982 mb located over Labrador.
At 8:00 p.m. AST tonight trough located over the Great Lakes.
By 8:00 p.m. AST Wednesday trough located from Anticosti Island
to Georges Bank.
Marine Weather StatementIssued 3:12 AM AST 21 November 2017 A low pressure system over Labrador this morning will continue to
move northward today. Strong to gale force westerlies associated with
this low will gradually diminish and back to southwesterly today.
A developing trough of low pressure over the Great Lakes tonight will
slide eastward to lie from Anticosti to Georges Bank by Wednesday
evening. Strong to gale force southerlies are forecast ahead of this
trough. Winds will shift to strong northwesterly behind it. Southerly
winds may strengthen to storm force over southernmost waters
Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, southwestern shore,
LaHave Bank, West Scotian Slope, eastern shore, Sable, East Scotian
Slope, Laurentian Fan, Cabot Strait - northern half and Anticosti.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Grand Manan
- Gulf - Magdalen - northwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait - western half
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
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